2 * The UCW Library -- POSIX semaphores wrapper
4 * (c) 2006 Robert Spalek <robert@ucw.cz>
6 * This software may be freely distributed and used according to the terms
7 * of the GNU Lesser General Public License.
10 #ifndef _UCW_SEMAPHORE_H
11 #define _UCW_SEMAPHORE_H
13 #include <semaphore.h>
19 /* In Darwin, sem_init() is unfortunately not implemented and the guide
20 * recommends emulating it using sem_open(). */
27 sprintf(buf, "tmp/sem-%d-%d", getpid(), cnt++);
28 sem_t *sem = sem_open(buf, O_CREAT, 0777, 0);
29 ASSERT(sem != (sem_t*) SEM_FAILED);
44 sem_t *sem = xmalloc(sizeof(sem_t));
45 int res = sem_init(sem, 0, 0);